Is it Mandatory to Pay Quarterly to TAN A/c ? Home › Forums › Tax › Is it Mandatory to Pay Quarterly to TAN A/c ? This topic is empty. Viewing 1 post (of 1 total) Author Posts July 14, 2013 at 3:00 pm #69030 AnonymousInactive I am asst. Teacher of Jr. High school. We have to pay a quarterly amount to IT dept. For TAN. But I do not know why to pay? Our lawyer ask to pay this amount for TAN. Is it mandatory to pay for TAN of our school? Our IT is deducted by D.I of school. Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In